A man is critically ill in hospital and another has been arrested after a serious assault.

Detectives are appealing for witnesses and information following the incident in Rhyl early on Sunday morning.

North Wales Police say at 5am officers were called to an address on Warren Road following a report of a disturbance. A man in his thirties was found inside with serious injuries and is believed to have been assaulted.

Paramedics took the patient to Ysbyty Glan Clwyd. His condition is critical but stable.

A 25-year-old man was arrested at a nearby property the same morning on suspicion of assault.

He has been bailed while police inquiries continue. Officers have been carrying out house to house inquiries.